diff --git a/win/vncconfig/Legacy.h b/win/vncconfig/Legacy.h
index 02059a6..9fb2056 100644
--- a/win/vncconfig/Legacy.h
+++ b/win/vncconfig/Legacy.h
@@ -26,7 +26,7 @@
 #include <rfb_win32/Dialog.h>
 #include <rfb_win32/MsgBox.h>
 #include <rfb/ServerCore.h>
-#include <rfb/secTypes.h>
+#include <rfb/Security.h>
 
 namespace rfb {
 
diff --git a/win/vncviewer/CConn.cxx b/win/vncviewer/CConn.cxx
index 286c701..3d7f99a 100644
--- a/win/vncviewer/CConn.cxx
+++ b/win/vncviewer/CConn.cxx
@@ -23,7 +23,7 @@
 #include <vncviewer/CConnThread.h>
 #include <vncviewer/resource.h>
 #include <rfb/encodings.h>
-#include <rfb/secTypes.h>
+#include <rfb/Security.h>
 #include <rfb/CSecurityNone.h>
 #include <rfb/CSecurityVncAuth.h>
 #include <rfb/CMsgWriter.h>
diff --git a/win/vncviewer/InfoDialog.cxx b/win/vncviewer/InfoDialog.cxx
index e74896d..34644cd 100644
--- a/win/vncviewer/InfoDialog.cxx
+++ b/win/vncviewer/InfoDialog.cxx
@@ -18,7 +18,7 @@
 #include <vncviewer/InfoDialog.h>
 #include <vncviewer/resource.h>
 #include <vncviewer/CConn.h>
-#include <rfb/secTypes.h>
+#include <rfb/Security.h>
 #include <rfb/encodings.h>
 #include <rfb/CSecurity.h>
 #include <rfb/LogWriter.h>